[Result of the ophthalmological survey of collective farms workers along the lower part of the North Crymean Canal].
D004777:Environment; D005128:Eye Diseases; D006801:Humans; D009885:Ophthalmology
EYE/diseases
Rezul'tary oftalmologicheskogo obsledovaniia kolkhoznikov vdol'trassy Severo-Krymskogo kanala.